#include <iostream>
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "Mutex.hpp"

using namespace MutexModule;
int ticket = 1000;
pthread_mutex_t glock = PTHREAD_MUTEX_INITIALIZER;//全局的锁不需要释放，程序运行结束，自动释放
//std::mutex cpp_lock;

class ThreadData
{
public:
    ThreadData(const std::string &n, Mutex &lock)
        : name(n),
          lockp(&lock)
    {}
    ~ThreadData() {}

    std::string name;
    //pthread_mutex_t *lockp;
    Mutex * lockp;
};

void *route(void *arg)
{
    ThreadData *td = static_cast<ThreadData*>(arg);
    while (1)
    {
        LockGuard guard(*td->lockp);//RAII风格的互斥锁实现

        if (ticket > 0)
        {
            usleep(1000);
            printf("%s sells ticket:%d\n", td->name.c_str(), ticket);
            ticket--;
        }
        else
        {
            break;
        }

        //cpp_lock.lock();
        //pthread_mutex_lock(td->lockp);
        //pthread_mutex_lock(&glock);
        // td->lockp->Lock();
        // if (ticket > 0)
        // {
        //     usleep(1000);
        //     printf("%s sells ticket:%d\n", td->name.c_str(), ticket);
        //     ticket--;
        //     //pthread_mutex_unlock(td->lockp);
        //     //pthread_mutex_unlock(&glock);
        //     //cpp_lock.unlock();
        //     td->lockp->UnLock();
        // }
        // else
        // {
        //     //pthread_mutex_unlock(td->lockp);
        //     //pthread_mutex_unlock(&glock);
        //     //cpp_lock.unlock();
        //     td->lockp->UnLock();
        //     break;
        // }
    }
    return nullptr;
}

int main()
{
    // pthread_mutex_t lock;//四个对象公共的锁
    // pthread_mutex_init(&lock,nullptr);//初始化锁


    Mutex lock;

    pthread_t t1, t2, t3, t4;
    ThreadData *td1 = new ThreadData("thread 1", lock);
    pthread_create(&t1, NULL, route, td1);

    ThreadData *td2 = new ThreadData("thread 2", lock);
    pthread_create(&t2, NULL, route, td2);

    ThreadData *td3 = new ThreadData("thread 3", lock);
    pthread_create(&t3, NULL, route, td3);

    ThreadData *td4 = new ThreadData("thread 4", lock);
    pthread_create(&t4, NULL, route, td4);

    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
    //pthread_mutex_destroy(&lock);
    return 0;
}